Question 137933
Given: {{{V=1/3hx^2}}}  h = 15, V=2880
You are asked to find the length of the base (or x) 

So plug in and solve for x
{{{2880 = (1/3)(15)x^2}}}
{{{2880 * 3 / 15 = x^2}}}
{{{576 = x^2}}}
{{{24 = x}}}